Relict Splitfin
Xenoophorus captivus (Hubbs, 1924)
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Xenoophorus captivus - Aquarium Tropical du Palais de la Porte Dorée Paris/France - 04/2015
Cedricguppy - Loury Cédric · CC BY-SA 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The relict splitfin (Xenoophorus captivus) is a species of splitfin endemic to the Pánuco River system in Mexico. It feeds on algae. This species grows to up to 6 centimetres (2.4 in) in length. It is found in the aquarium trade. It is the only known member of its genus.
Wikipedia contributors, Relict splitfin; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T05:07:49.052093+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Xenoophorus captivus (Hubbs, 1924)
- Name authority
- (Hubbs, 1924)
- Common name
- Relict Splitfin
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cyprinodontiformes
- Family
- Goodeidae
- Genus
- Xenoophorus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: no · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderCyprinodontiformes
- familyGoodeidae Jordan & Gilbert, 1883
- subfamilyGoodeinae Jordan & Gilbert, 1883
- genusXenoophorus Hubbs & Turner, 1939
- speciesXenoophorus captivus (Hubbs, 1924)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Goodea captiva Hubbs, 1924 Hubbs, 1924 | synonym |
| Xenoophorus captivus exsul Hubbs & Turner, 1939 Hubbs & Turner, 1939 | synonym |
| Xenoophorus exsul Hubbs & Turner, 1939 Hubbs & Turner, 1939 | synonym |
| Xenoophorus captivus captivus (Hubbs, 1924) (Hubbs, 1924) | synonym |
| Xenoophorus captivus erro Hubbs & Turner, 1939 Hubbs & Turner, 1939 | synonym |
| Xenoophorus erro Hubbs & Turner, 1939 Hubbs & Turner, 1939 | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=1014910 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:7FW7L. Classification follows source parent identifiers. English common names may vary by region.